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10 Foods that Lower Cholesterol

10 Foods that Lower Cholesterol


by Tony MaVuu

It’s easy to eat your way to an alarmingly high cholesterol level. The reverse is true, too — changing what you eat can lower your cholesterol and improve the fats floating through your bloodstream.  In particular, you can lower your “bad” cholesterol (LDL cholesterol)—the harmful cholesterol-carrying particle that contributes to artery-clogging atherosclerosis—with a two-pronged strategy: Add foods that lower LDL, and cut back on foods that boost LDL. Without both steps, you are engaging in a holding action instead of a steady victory.

In with the good

Different foods lower cholesterol in various ways. Some deliver soluble fiber, which binds cholesterol in the digestive system and drags them out of the body before they get into your circulation. Foods with polyunsaturated fats directly lower LDL. And foods that contain plant sterols and stanols block the body from absorbing cholesterol.

Oats. An easy first step to improving your cholesterol is having a bowl of oatmeal or cold oat-based cereal like Cheerios for breakfast. It gives you 1 to 2 grams of soluble fiber. Add a banana or some strawberries for another half-gram. Current nutrition guidelines recommend getting 20 to 35 grams of fiber a day, with at least 5 to 10 grams coming from soluble fiber.

Barley and other whole grains. Like oats and oat bran, barley and other whole grains can help lower the risk of heart disease, mainly via the soluble fiber they deliver.

Beans. Beans are especially rich in soluble fiber. They also take awhile for the body to digest, meaning you feel full for longer after a meal. That’s one reason beans are a useful food for folks trying to lose weight.

Eggplant and okra. These two low-calorie vegetables are good sources of soluble fiber.

Nuts. A bushel of studies shows that eating almonds, walnuts, peanuts, and other nuts is good for the heart. Eating 2 ounces of nuts a day can slightly lower LDL, on the order of 5%.

Vegetable oils. Using liquid vegetable oils such as canola, sunflower, safflower, and others in place of butter, lard, or shortening when cooking or at the table helps lower LDL.

Apples, grapes, strawberries, citrus fruits. These fruits are rich in pectin, a type of soluble fiber that lowers LDL.

Foods fortified with sterols and stanols. Sterols and stanols extracted from plants gum up the body’s ability to absorb cholesterol from food. Companies are adding them to foods ranging from margarine and granola bars to orange juice and chocolate. They’re also available as supplements. Getting 2 grams of plant sterols or stanols a day can lower LDL cholesterol by about 10%.

Soy. Eating soybeans and foods made from them, like tofu and soy milk is a modest way to lower cholesterol. Consuming 25 grams of soy protein a day (10 ounces of tofu or 2½ cups of soy milk) can lower LDL by 5% to 6%.

Fatty fish. Eating fish two or three times a week can lower LDL in two ways: by replacing meat, which has LDL-boosting saturated fats, and by delivering LDL-lowering omega-3 fats.

Fiber supplements. Supplements offer the least appealing way to get soluble fiber. Two teaspoons a day of psyllium, which is found in Metamucil and other bulk-forming laxatives, provide about 4 grams of soluble fiber.

Out with the bad

Harmful LDL creeps upward and protective HDL drifts downward largely because of diet and other lifestyle choices. Genes play a role, too — some people are genetically programmed to respond more readily to what they eat — but genes aren’t something you can change. Here are four things you can:

Saturated fats. One way to lower your LDL is to cut back on saturated fat. Try substituting extra-lean ground beef for regular; low-fat or skim milk for whole milk; olive oil or a vegetable-oil margarine for butter; baked fish or chicken for fried.

Trans fats. Trans fats boost LDL as much as saturated fats do. They also lower protective HDL, rev up inflammation, and increase the tendency for blood clots to form inside blood vessels. The Institute of Medicine recommends getting no more than two grams of trans fats a day; less is even better. Although trans fats were once ubiquitous in prepared foods, many companies now use trans-free alternatives. Some restaurants and fast-food chains have yet to make the switch.

Weight and exercise. Being overweight and not exercising affect fats circulating in the bloodstream. Excess weight boosts harmful LDL, while inactivity depresses protective HDL. Losing weight if needed and exercising more reverse these trends.

Putting it all together

Adding several foods that fight high cholesterol in different ways should work better than focusing on one or two.This means expanding the variety of foods you usually put in your shopping cart and getting used to new textures and flavors. But it’s a “natural” way to lower cholesterol, and it avoids the risk of side effects from cholesterol-lowering drugs.

 

Effect of Two Types of Soy Milk and Dairy Milk On Plasma Lipids in Hypercholesterolemic Adults

In the past 30 years, several clinical trials have investigated the cholesterol-lowering potential of soy protein. Earlier studies concluded that soy protein is an effective strategy to lower cholesterol, leading the FDA to approve a health claim for soy protein at a dose of 25 grams/day. However, more recent trials have found the cholesterol-lowering power of soy protein to be much more modest that that reported by the earlier trials, and not clinically significant. Several differences in the designs of the studies may explain these conflicting results. In addition, most trials used soy protein isolate (a product manufactured by grinding soy beans into a powder and depriving them of all their fat) and very few have evaluated the effect of more traditional, less processed Asian foods such as soy milk or tofu, which contain other beneficial nutrients in addition to the soy protein.

We conducted a rigorous trial to examine the effect of soy milk intake on blood lipid levels in 28 adults with high LDL-cholesterol levels. We compared two different types of soy milk, one made from whole soy beans and one made from soy protein isolate, with dairy milk (control) to determine whether differences in proteins and other characteristics would affect the results.

In this trial, participants drank soy or dairy milk 3 times a day in a “cross-over design”. They alternated drinking each type of milk for four weeks, with a “washout” period of four weeks between each phase of the study. At the completion of all three phases, LDL-cholesterol was modestly reduced at the end of the soy milk phases compared to the dairy milk phase, with no differences between the two kinds of soy milk. Interestingly, three quarters of participants found that drinking about 3 cups of soy milk a day was “too much” to continue on on a long-term basis. To learn more about the details of the study, read the Abstract published in the Journal of the American College of Nutrition.


Tony MaVuu

With a background in Biomedical Science (majoring in Physiology and Microbiological Studies), Tony has brought unprecedented insight into subjects such as health and substance use. Having worked in the medical industry before that focuses on analytical medicine, Tony has vast knowledge about the effects that alcohol and air quality can have on our well-being.


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